v1.3.1 using `float` instead of `ulong` for better interval accuracy

Releases v1.3.1

1. Using float instead of ulong for better interval accuracy

v1.3.0 to fix severe bug affecting time between starts

Releases v1.3.0

1. Fix severe bug affecting time between starts. Check Enable fixed timing between timer calls (vs fixed time btw. end of timer call and next call as implemented) #3

v1.2.0 to fix multiple-definitions linker error, to add support to many new RP2040-based boards, to fix bug, etc.

Releases v1.2.0

1. Fix multiple-definitions linker error. Drop src_cpp and src_h directories
2. Add example multiFileProject to demo for multiple-file project.
3. Optimize library code by using reference-passing instead of value-passing
4. Update all examples

v1.1.1 to update platform in `library.json`

Releases v1.1.1

1. Fix platform in library.json

Release v1.1.0 to add support to new boards (ADAFRUIT_ITSYBITSY_RP2040, ADAFRUIT_QTPY_RP2040, ADAFRUIT_STEMMAFRIEND_RP2040, ADAFRUIT_TRINKEYQT_RP2040, ADAFRUIT_MACROPAD_RP2040, SPARKFUN_PROMICRO_RP2040, etc.) using the arduino-pico cor

Releases v1.1.0

1. Add support to new boards (ADAFRUIT_ITSYBITSY_RP2040, ADAFRUIT_QTPY_RP2040, ADAFRUIT_STEMMAFRIEND_RP2040, ADAFRUIT_TRINKEYQT_RP2040, ADAFRUIT_MACROPAD_RP2040, SPARKFUN_PROMICRO_RP2040, etc.) using the arduino-pico core
2. Add ISR_16_Timers_Array_Complex examples.
3. Fix examples' bug

Release v1.0.1 to match RP2040 arduino-pico core v1.4.0

Releases v1.0.1

1. Update README and Packages' Patches to match RP2040 arduino-pico core v1.4.0

Releases v1.0.0 to support RP2040-based boards such as RASPBERRY_PI_PICO. etc. using Earle Philhower's arduino-pico core (https://github.com/earlephilhower/arduino-pico)

Initial Releases v1.0.0

1. Initial coding to support RP2040-based boards such as RASPBERRY_PI_PICO, etc. using Earle Philhower's arduino-pico core